Kristoffer H. Rose  IBM Research Division, Thomas J. Watson Research Center, 19 Skyline Drive, Hawthorne, New York 10532 (krisroseus.ibm.com). Dr. Rose received a Ph.D. degree in computer science from the University of Copenhagen in 1996, doing research in tree and graph rewriting systems. After four years in academia, the last as an associate professor at Ecole Normale Superieur in Lyon, France, he joined the Watson Research Center in 2000. At IBM, he is working on XML technology with a special interest in how XML and the XML processing languages (XSLT, XQuery, etc.) can be implemented so that they can be used efficiently over large data structures even when those are not in XML. Most recently he has been experimenting with (and has implemented) Data Format Description Language (DFDL) to this end.

Susan Malaika  IBM, 294 Route 100, Somers, New York 10589 (malaikaus.ibm.com). Susan Malaika is a Senior Technical Staff Member in IBM's Information Management Group. She develops standards that support data for grid environments at the Global Grid Forum. Her specialties include XML, the Web, and databases. In addition to working as an IBM product software developer, she has also worked as an Internet specialist, a data analyst, and an application designer and developer. She has also co-authored a book on the Web and published articles on transaction processing and XML. She is a member of the IBM Academy of Technology.

Robert J. Schloss  IBM Research Division, Thomas J. Watson Research Center, 19 Skyline Drive, Hawthorne, New York 10532 (rschlossus.ibm.com). Robert Schloss, a Senior Technical Staff Member, is working on runtime tools for XML and Web Services middleware at the Watson Research Center in the Next Generation Web Group. He received an A.B. degree in mathematics and computer science from Yale University. Mr. Schloss is a founding member of the XML Research group at IBM, and he has a long involvement with Web data interchange standards.